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NTP Download
Basic information on NTP can be found on our NTP info page. Use the links below to download copies of NTP software packages directly from our web server in Germany and the USA. The source code is available at the NTP download page at ntp.org.

For the Windows operating system there's an additional NTP Time Server Monitor program available which allow configuration of the local NTP service and graphical monitoring of the local and also remote NTP servers.


NTP for Windows NT / 2000 / XP / Server 2003 / Vista / Windows 7 / Server 2008
This NTP package contains a GUI installer for Windows which installs executable programs which have been compiled from the original NTP sources available at the NTP download page at ntp.org. The GUI installer also contains the corresponding HTML based NTP documentation, plus a current OpenSSL DLL required by NTP to support authentication. Unattended installation is also supported. Please see the NTP Installer Readme for help on how to use the installer.

Since v4.2.4p8 has been released on December 8, 2009, this version has been called "lennon" in memoriam of John Lennon who has been shot on December 8, 1980.

IMPORTANT NOTES:

  • NTP 4.2.4p8 fixes a critical security problem. If you are running an older version please update as soon as possible.
  • This version of the installer supports PATH variables up to 8k in size, please note that older versions only support a maximum of 1024 bytes for the contents of the PATH variable and will most probably overwrite the variable if it is longer. This will cause problems with your Windows installation and should be avoided.

If you have any questions or feedback regarding the Meinberg Windows Installer for NTP, please send your mail to ntp-support@meinberg.de.

Software ntp-4.2.4p8@lennon-o-lpv-win32-setup.exe
[European Mirror] [US-Mirror]
2.8 MB
 
Screenshot NTP-Installer
Screenshot NTP Installer

NTP v4.2.4, NTP v4 stable release, ready-to-install NTP port for Microsoft Windows NT, 2000, Windows XP, Windows 2003/2008 Server, Windows Vista and Windows 7 including GUI setup program, full HTML documentation, OpenSSL (Version 0.9.8l) DLL.

This stable version is based on the ntp-stable release (4.2.4) of ntp.org and runs on both 32 bit and 64 bit versions of the listed operating systems.

NTP Cheat Sheet NTP Cheat Sheet V1.0
308 KB
NTP Short Reference (A4, 2 pages), English language. Contains short lists of the most important NTP configuration parameters, command line options and file formats used by NTP, e.g. for the keyfile or the statistic files that can be generated by ntpd (loopstats, peerstats, clockstats, sysstats).

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Linux driver for Meinberg plug-in radio clocks
A Linux driver for Meinberg PC plug-in cards is available on our driver download page. That driver is only required for plug-in radio clocks. Radio clocks which are connected via a serial interface are directly supported by NTP.
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Meinberg NTP Software Downloads